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Contents
- The climate of Puerto Rico
- The best time to visit Puerto Rico
- The worst time to visit Puerto Rico
- Spring weather in Puerto Rico
- Summer weather in Puerto Rico
- Autumn weather in Puerto Rico
- Winter weather in Puerto Rico
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average rainfall
- Average rainfall days
- Average sea temperature
- Average daylight
- Average sunshine
- Average UV index
The stunning coastline of the Gran Canaria in Puerto Rico, Spain
Climate and monthly weather forecast
The climate of Puerto Rico
Puerto Rico, located in Spain, is characterized by a stable climatic condition that falls under the Mid-latitude steppe in the Köppen climate classification, BSk. These climates typically boast a dry, hot summer and a cold winter.
Throughout the year, average temperature ranges vary relatively little, reaching highs from 18°C (64.4°F) to 26°C (78.8°F), and lows between 12°C (53.6°F) and 19°C (66.2°F). However, the warmest months are traditionally from June to September with average highs of 23°C (73.4°F) to 26°C (78.8°F), while the cooler months from December to March observe average highs of 18°C (64.4°F) to 20°C (68°F).
Rainfall in Puerto Rico is not evenly distributed throughout the year. Higher volumes of rain are experienced from October to December, with November and December averaging 49mm (1.93") and 51mm (2.01") of rainfall respectively. In comparison, the period from May to September is significantly drier with rainfall levels not exceeding 8mm (0.31") during these months while July and August almost see no rainfall.
The daylight and sunshine hours follow a similar pattern. Maximum daylight hours are experienced during June at 13.9 hours and July at 13.7 hours, and the least during December at 10.4 hours. Sunshine hours peak at 10 hours during July and are at their least during for December and January at 6 hours. The UV indexes also showcase a similar fluctuation throughout the year, elevating during the summer months and plummeting during winter.
Throughout the year, average temperature ranges vary relatively little, reaching highs from 18°C (64.4°F) to 26°C (78.8°F), and lows between 12°C (53.6°F) and 19°C (66.2°F). However, the warmest months are traditionally from June to September with average highs of 23°C (73.4°F) to 26°C (78.8°F), while the cooler months from December to March observe average highs of 18°C (64.4°F) to 20°C (68°F).
Rainfall in Puerto Rico is not evenly distributed throughout the year. Higher volumes of rain are experienced from October to December, with November and December averaging 49mm (1.93") and 51mm (2.01") of rainfall respectively. In comparison, the period from May to September is significantly drier with rainfall levels not exceeding 8mm (0.31") during these months while July and August almost see no rainfall.
The daylight and sunshine hours follow a similar pattern. Maximum daylight hours are experienced during June at 13.9 hours and July at 13.7 hours, and the least during December at 10.4 hours. Sunshine hours peak at 10 hours during July and are at their least during for December and January at 6 hours. The UV indexes also showcase a similar fluctuation throughout the year, elevating during the summer months and plummeting during winter.
The best time to visit Puerto Rico
Visiting Puerto Rico is most desirable during the summer months from May to September. The weather during this period is warm with highs hitting 21°C (69.8°F) to 26°C (78.8°F) and lows not dropping below 14°C (57.2°F). This period also coincides with the lowest rainfall, averaging between 1mm (0.04") to 8mm (0.31") each month making outdoor activities and exploration more accessible. The sea temperature also favorable, warming up from 20.3°C (68.5°F) in May to reaching 23.6°C (74.5°F) in September, perfect for water sports or swimming.
The worst time to visit Puerto Rico
Autumn, particularly November and December, may not be the ideal time for a visit to Puerto Rico due to the increase in rainfall levels. These rainy conditions may affect outdoor activities and dampen the overall experience. However, visitors who prefer cooler temperatures and do not mind the occasional rain might still enjoy their visit during these months.
Spring weather in Puerto Rico
Spring in Puerto Rico, encompassing March, April, and May, welcomes a mild climate with rising temperatures and decreasing rainfall. Temperatures often range from 13°C (55.4°F) to 21°C (69.8°F), with both daylight and sunshine hours gradually increasing as we move from the winter months. Sea temperatures also begin to warm up, reaching 20.3°C (68.5°F) by the end of May.
Summer weather in Puerto Rico
Summer in Puerto Rico, extending from June through September, is characterized by warm temperatures and low rainfall. There is an average high of 25°C (77°F) in June, reaching a peak of 26°C (78.8°F) in August while lows observe a steady increase from 16°C (60.8°F) to 19°C (66.2°F). The summer months also present the longest daylight hours and largest amount of sunshine, creating ideal conditions for outdoor activities.
Autumn weather in Puerto Rico
Autumn in Puerto Rico, including October and November, brings about a dramatic increase in rainfall, with November receiving the highest amount of 49mm (1.93"). Temperatures begin to cool down, but remain comfortable ranging between average highs of 23°C (73.4°F) to 21°C (69.8°F) and lows of 17°C (62.6°F) to 15°C (59°F). As November approaches, daylight hours and sea temperatures also begin to decrease gradually.
Winter weather in Puerto Rico
Winter months in Puerto Rico feature milder temperatures with highs ranging from 18°C (64.4°F) to 20°C (68°F) and lows between 12°C (53.6°F) to 13°C (55.4°F). This season, covering December through February, observes the shortest amount of daylight hours, drops in sunshine hours, and sees a surge in rainfall especially in December with an average of 51mm (2.01"). The sea temperatures cool down, dropping from 22.3°C (72.1°F) in December to 19.3°C (66.7°F) by February. This period is the least inviting for beach activities.
Weather in January
The opening of the year brings to Puerto Rico a balance of mild and wet conditions, with the chill of winter slightly noticeable. Rainfall intensifies this month, culminating in an average of 45mm (1.77") over three days precedently noted. Weather in January »
Weather in February
As February unfolds, Puerto Rico experiences a negligible shift in its climatic pattern from the preceding month. With rainfall slightly easing, precipitation decreases on average from 45mm (1.77") to 41mm (1.61"). Soft whispers of the Mediterranean spring can be sensed nearing the end of the month as daylight hours increase. Weather in February »
Weather in March
March ushers in hints of the approaching spring in Puerto Rico, greatly diminishing the winter's cold grip. A noticeable decrease in rainfall occurs, falling to 29mm (1.14"), which is indicative of the changing seasons. In contrast to the previous months, the daylight hours noticeably increase. Weather in March »
Weather in April
April provides a pleasant weather transformation as spring eventually subsides the winter nip in Puerto Rico. The dry spell continues with rainfall decreasing further to 23mm (0.91"), accentuating the warmth and sunshine. Sea wattles dance under the brilliant light as daylight lengthens even more. Weather in April »
Weather in May
May represents the gateway to summer for Puerto Rico, introducing perceptible warmth and extended sunlight. The amount of rainfall drops significantly to 8mm (0.31"), bolstering the summery atmosphere. Daylight peaks, offering longer hours of outdoor enjoyment. Weather in May »
Weather in June
June certifies the arrival of summer in Puerto Rico, with obvious escalation in temperatures. The almost absence of rain, recorded at 3mm (0.12"), fortifies the sunny setting. The backdrop of near ceaseless daylight and high UV index demands protective measures from residents. Weather in June »
Weather in July
In July, Puerto Rico is fully submerged in summer, presenting copious sunshine and longer daylight hours. Peaking at 25°C (77°F), this month hosts the highest average air temperature. The Mediterranean Sea also exudes the warmest touch, inviting for extended swimming sessions. Weather in July »
Weather in August
August, the sunniest month, perpetuates the intense summer weather in Puerto Rico. The dry conditions persist, with rainfall amounting to only 1mm (0.04"). Providing utmost daylight and elevated UV index, sun protection remains indispensable. Weather in August »
Weather in September
September represents a gradual departure from the summer season in Puerto Rico. As rainfall increases to 12mm (0.47"), the intense dry spell witnesses a mild break. A slight decrease in daylight hours is registered. Sea temperatures remain quite warm, favouring aquatic leisure activities. Weather in September »
Weather in October
October sees an interplay of residual summer and arriving autumn vibes in Puerto Rico. Rainfall marks a conspicuous rise, measuring 28mm (1.1") from its previous lower value of 12mm (0.47"). The shrinking daylight foretells the approach of winter, while the sea begins its cooling trend. Weather in October »
Weather in November
November heralds the winter season in Puerto Rico while banishing the residues of summer. A sharp surge in rainfall to 49mm (1.93") signifies the transition to a wetter season. Daylight hours lessen even more, indicating the pre-winter transition. Weather in November »
Weather in December
December wraps up the year in Puerto Rico with the chill of winter and consistent rainfall, signifying the peak of the wet season. The precipitation reaches its zenith at 51mm (2.01"), exceeding all months prior. An all-year low daylight duration serves as a strong winter indicator. Weather in December »
Updated: Jan 27, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest in Puerto Rico?
January and February represent the coldest period in Puerto Rico, Spain, with an average high-temperature of 18°C (64.4°F).
How many days does it rain in Puerto Rico?
Throughout the year, in Puerto Rico, Spain, there are 21 rainfall days, and 291mm (11.46") of precipitation is accumulated.
What is the month with the least sunshine in Puerto Rico?
The months with the least sunshine in Puerto Rico are January, November and December, with an average of 6h of sunshine.
What is the month with the lowest UV index in Puerto Rico?
January and December, with an average maximum UV index of 4, are months with the lowest UV index in Puerto Rico, Spain.
What are the months with the coldest sea water in Puerto Rico?
February and March, with an average sea temperature of 19.3°C (66.7°F), are months with the coldest seawater.
When are the longest days in Puerto Rico?
The month with the longest days in Puerto Rico is June, with an average of 13h and 54min of daylight.
What are the months with the highest UV index in Puerto Rico?
The months with the highest UV index are June through August, with an average maximum UV index of 11.
What is the driest month in Puerto Rico?
The months with the least rainfall in Puerto Rico are July and August with 1mm (0.04") of accumulated rain.
What month has the most sunshine in Puerto Rico?
The month with the most sunshine is July, with an average of 10h of sunshine.
What part of the year is the hottest in Puerto Rico?
August, known for its average high temperature of 26°C (78.8°F) and an average low temperature of 19°C (66.2°F), is the warmest month in Puerto Rico.
What is the month with the warmest sea water in Puerto Rico?
With an average sea temperature of 23.6°C (74.5°F), October is the month with the warmest seawater in Puerto Rico.
When is Daylight Saving Time (DST) in Puerto Rico?
On Sunday, 27. October 2024, at 02:00, Daylight Saving Time ends, and the time zone changes from WEST to WET. The next Daylight Saving Time starts on Sunday, 30. March 2025, at 01:00, and the time zone reverts from WET to WEST.
What is the rainiest month in Puerto Rico?
December is the month with the most rainfall in Puerto Rico. Rain falls for 4 days and accumulates 51mm (2.01") of precipitation.
What is the month with the shortest days in Puerto Rico?
The month with the shortest days in Puerto Rico is December, with an average of 10h and 24min of daylight.
Average temperature
Puerto Rico, Spain
The warmest month (with the highest average high temperature) is August (26°C).
The months with the lowest average high temperature are January and February (18°C).
The month with the highest average low temperature is August (19°C).
The coldest months (with the lowest average low temperature) are January and February (12°C).
Average rainfall
Puerto Rico, Spain
The wettest month (with the highest rainfall) is December (51mm).
The driest months (with the least rainfall) are July and August (1mm).
Average rainfall days
Puerto Rico, Spain
- Average rainfall days in January:
3 days - Average rainfall days in February:
3 days - Average rainfall days in March:
2 days - Average rainfall days in April:
2 days - Average rainfall days in May:
1 days - Average rainfall days in June:
0 days
- Average rainfall days in July:
0 days - Average rainfall days in August:
0 days - Average rainfall days in September:
1 days - Average rainfall days in October:
2 days - Average rainfall days in November:
3 days - Average rainfall days in December:
4 days
The month with the highest number of rainy days is December (4 days).
The months with the least rainy days are June, July and August (0 days).
Average sea temperature
Puerto Rico, Spain
The best month for swimming (with the highest average sea temperature) is October (23.6°C).
The coldest months (with the lowest average sea temperature) are February and March (19.3°C).
Average daylight / Average sunshine
Puerto Rico, Spain
- Average daylight in January:
10h and 4min - Average daylight in February:
11h and 1min - Average daylight in March:
12h and 0min - Average daylight in April:
12h and 5min - Average daylight in May:
13h and 3min - Average daylight in June:
13h and 5min
- Average daylight in July:
13h and 4min - Average daylight in August:
13h and 1min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 3min - Average daylight in November:
10h and 5min - Average daylight in December:
10h and 2min
The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).
The month with the most sunshine is July (Average sunshine: 10h).
The months with the least sunshine are January, November and December (Average sunshine: 6h).
Average UV index
Puerto Rico, Spain
The months with the highest UV index are June, July and August (UV index 11).
The months with the lowest UV index are January and December (UV index 4).
